09 May WHICH OF THE LIST OF ITEMS BELOW IS NOT A COMPONENT OF A LINEAR PROGRAMMING PROBLEM?
Question 1In the scientific method model parameters are:a. always changingb. constant during the process of solving a specific problemc. defined as decision variablesd. found in the model solution processQuestion 2The components of break-even analysis are:a. volume cost and profitb. fixed cost variable cost and equipment structurec. percentage of total revenue percentage of total costd. total sales total variable revenueQuestion 3A management science model:a. is an abstract representation of an existing problemb. appears most frequently as a mathematical relationshipc. can appear in the form of a graph or a chartd. is accurately described by all of the aboveQuestion 4Management science is also referred to as:a. managementb. quantitative analysisc. qualitative analysisd. computer scienceQuestion 5Management science can be described as:a. strictly a scienceb. both an art and a sciencec. strictly an artd. a deterministic techniqueQuestion 6Linear programming models exhibit certain common characteristics except:a. decision variables for measuring the level of activityb. linearity among some constraint relationshipsc. an objective function to be maximized or minimizedd. a set of constraintsQuestion 7For most graphs the constraint equations which intersect to form a solution point must be solved simultaneously:a. because the solution coordinates from the graph cannot be visually read with high precisionb. in order to confirm the mathematically determined coordinatesc. in order to determine all of the optimal point solutiond. because the slope b and the y-intercept a are not always integersQuestion 8The maximum number of constraints that could define the feasible solution space is:a. 2b. 3c. 4d. unlimitedQuestion 9 Which of the list of items below is not a component of a linear programming problem?a. constraintsb. objective functionc. decision variablesd. a nonlinear residualQuestion 10The change in the value of the objective function per unit increase in the value of the right hand side is referred to as:a. shadow priceb. quantity valuesc. feasible ranged. optimal rangeQuestion 11In order to transform a “>=” constraint into an equality (“=”) in a linear programming model a. add a slack variableb. add a surplus variablec. subtract a surplus variabled. subtract a surplus variable and add a slack variableQuestion 12A decrease in fixed costs with everything else remaining constanta. decreases the break-even pointb. increases the break-even pointc. keeps the break-even point samed. increases the variable costsQuestion 13The term ____________ refers to testing how a problem solution reacts to changes in one or more of the model parameters.a. priority recognitionb. decision analysisc. analysis of varianced. sensitivity analysisQuestion 14Which of the following could not be a linear programming problem constraint?a. 1A 2Bb. 1A 2B = 3c. 1A 2B > 3d. 1A 2B < 3Question 15Non-negativity constraints restrict the decision variable toa. 0b. positive valuesc. negative valuesd. both a and bQuestion 16A graphical solution is generally limited to linear programming problems witha. 1 decision variableb. 2 decision variablesc. 3 decision variablesd. 4 decision variablesQuestion 17The region which satisfies all of the constraints in a graphical linear programming problem is called thea. region of optimalityb. feasible solution spacec. region of non-negativityd. optimal solution spaceQuestion 18The optimal solution is the ___________ feasible solution.a. bestb. onlyc. worstd. none of the aboveQuestion 19Multiple optimum solutions can occur when the objective function is _______ a constraint line.a. unequal tob. equal toc. linear tod. parallel toQuestion 20The optimal solution of a minimization problem is at the extreme point _________ the origin.a. farthest fromb. closest toc. exactly atd. none of the aboveQuestion 21If the original amount of a resource is 25 and the range of feasibility for it can increase by 5 then the amount of the resource can increase toa. 25b. 30c. 20d. 125Question 22A shadow price reflects which of the following in a maximization problem?a. the marginal gain in the objective that would be realized by adding 1 unit of a resourceb. the marginal gain in the objective that would be realized by subtracting 1 unit of a resourcec. the marginal cost of adding additional resourcesd. none of the aboveQuestion 23The standard constraint form in a linear programming model requires that all decision variables be on the left side of the inequality (or equality) and numerical values on the right side.a. Trueb. FalseQuestion 24In financial management applications of linear programming in which funds are to be invested the objective is to:a. maximize riskb. minimize returnc. maximize returnd. maximize costQuestion 25A popular example of a linear programming model is thea. product mix problemb. diet problemc. transportation problemd. all of the aboveQuestion 26In an investment example of a linear programming problem the decision variables area. the monetary amount invested in each investment alternativeb. the returns of the investment alternativesc. the requirements for investingd. none of the aboveQuestion 27A < constraint represents aa. minimum requirementb. maximum limitc. either of the aboved. minimization constraintQuestion 28An optimal solution will always occur ata. the intersection of two or more constraint linesb. an extreme pointc. a corner pointd. any of the aboveQuestion 29The solution of a management science model provides a manager with useful information that can aid in the decision making process.a. Trueb. FalseQuestion 30Standard form requires that fractional relationships between variables in constraints be eliminateda. Trueb. FalseQuestion 31Which of the following is not a type of integer linear programming problem?a. continuousb. zero-one integerc. mixed integerd. pure integerQuestion 32A zero-one integer problem always finds an optimal integer solution.a. Trueb. FalseQuestion 33In a _____ integer model some solution values for decision variables are integer and others can be non-integer.a. totalb. 0 – 1c. mixedd. all of the aboveQuestion 34In a _____ integer model the solution values of the decision variables are 0 or 1.a. totalb. 0 – 1c. mixedd. all of the aboveQuestion 35A feasible solution to a maximization problem is ensured by rounding ________ non-integer solution values.a. up and downb. upc. down d. up or down
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